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https://dev.mysql.com/doc/internals/en/transformations-row-in.html
<cache_lN-1> = <Item_ref_null_helper(ref_array[N-1]>) SELECT without FROM will be transformed in this way, too. To rewrite a row IN subquery, the method used is Item_in_subselect::row_value_transformer. It works in almost the same way as the scalar ...
https://dev.mysql.com/doc/internals/en/use-of-disable-abort-on-error.html
This option is very useful when starting to write a new test because the test will not abort if your script contains some failing statements or SQL syntax errors. By disabling the abort, you get to see more of the errors per test run and can fix ...
https://dev.mysql.com/doc/internals/en/user-level-locks.html
User-level locks are controlled with the SQL functions GET_LOCK(str,timeout) IS_FREE_LOCK(str) IS_USED_LOCK(str) RELEASE_LOCK(str) They can be used at places where SQL statements accept SQL functions. Depending on their appearance in the select ...
https://dev.mysql.com/doc/internals/en/variation-of-storage-engine.html
If you assume that there is no significant impact of storage engines on your testing object, create/run with storage engine variants and check this. Checks of the INFORMATION_SCHEMA The storage engines to be used for information_schema tables are ...
https://dev.mysql.com/doc/internals/en/vio-directory.html
The underlying protocols at this moment are: TCP/IP, Named Pipes (for WindowsNT), Shared Memory, and Secure Sockets (SSL). The VIO routines are wrappers for the various network I/O calls that happen with different protocols. The idea is that in the ...
https://dev.mysql.com/doc/internals/en/writing-platform-checks.html
For example, if you add this check to config.cmake: CHECK_FUNCTION_EXISTS(foo HAVE_FOO) Then you must also need to add the following line to config.h.cmake: #cmakedefine HAVE_FOO 1 Useful bits: Check for existence of C/C++ compiler flags with ... If ...
https://dev.mysql.com/doc/internals/en/x-protocol-authentication-authentication.html
S: AuthenticateOk authzid empty authcid user name challenge server side, one time random challenge response HEX(SHA1(password) ^ SHA1(challenge + SHA1(SHA1(password)))) Figure 15.7 MYSQL41 Authentication Image description .
https://dev.mysql.com/doc/mysql-installer/en/server-accounts-roles.html
If this is the case, select Validate Active Directory users with to activate the domain administrator credentials. Root Account Password Assigning a root password is required and you will be asked for it when performing other MySQL Installer ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-annotation-lob.html
This annotation can be used with byte[] and InputStream types for binary columns; and with String and InputStream types for character columns.
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-annotation-notpersistent.html
If used, this is the only annotation allowed on a member.